:root {
  --table: #24324A;      /* the table the board sits on */
  --table-2: #2D3D58;
  --chalk: #F4EAD8;      /* text */
  --chalk-dim: #B9B3A8;
  --walnut: #6E4127;     /* board frame */
  --maple: #E9CA97;      /* squares */
  --groove: #4B2A18;
  --brass: #E7B22E;
  --red: #D9432F; --blue: #3E7BE6; --yellow: #E7B22E; --green: #2FA36B;
  --danger: #FF7A66;
  --font: "Bricolage Grotesque", ui-rounded, "Segoe UI", Roboto, system-ui, sans-serif;
  color-scheme: dark;
  box-sizing: border-box;
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}
[hidden] { display: none !important; }
*, *::before, *::after { box-sizing: inherit; }
html, body { height: 100%; margin: 0; }
body {
  font-family: var(--font); color: var(--chalk); font-size: 16px; line-height: 1.45;
  background: radial-gradient(120% 80% at 50% 0%, var(--table-2), var(--table) 70%) fixed, var(--table);
  -webkit-tap-highlight-color: transparent; overscroll-behavior: none;
}
.screen { max-width: 460px; margin: 0 auto; padding: 24px 20px 32px; }
.screen[hidden] { display: none !important; }

/* Home */
.brand h1 {
  font-size: clamp(2.6rem, 12vw, 3.6rem); font-weight: 800; line-height: .95; letter-spacing: -0.03em;
  margin: 12px 0 10px; display: inline-block; padding-bottom: 10px;
  background: linear-gradient(var(--brass), var(--brass)) left bottom / 62% 9px no-repeat;
}
.tagline { margin: 0 0 22px; color: var(--chalk-dim); max-width: 32ch; }
.announcement { background: #3A4E70; border-left: 5px solid var(--brass); padding: 10px 14px; border-radius: 4px 10px 10px 4px; margin: 0 0 18px; }

.field { display: block; margin-bottom: 18px; }
.field span, .row-label { display: block; font-size: .85rem; color: var(--chalk-dim); margin-bottom: 6px; }
input[type=text], input:not([type]), input[type=password], input[type=number], select, textarea {
  width: 100%; font: inherit; color: var(--chalk); background: #1B2639; border: 2px solid #3B4B66;
  border-radius: 12px; padding: 11px 14px; outline: none;
}
input:focus-visible, select:focus-visible, textarea:focus-visible { border-color: var(--brass); }

.setup { display: grid; gap: 14px; margin-bottom: 22px; }
.seg { display: flex; background: #1B2639; border-radius: 12px; padding: 4px; gap: 4px; }
.seg button {
  flex: 1; font: inherit; font-weight: 600; color: var(--chalk-dim); background: transparent; border: 0;
  padding: 9px 6px; border-radius: 9px; cursor: pointer;
}
.seg button.on { background: var(--maple); color: #3A2414; box-shadow: inset 0 -3px 0 rgba(75, 42, 24, .35); }
.seg.big button { padding: 12px 18px; }

.btn {
  font: inherit; font-weight: 600; color: var(--chalk); background: #34476A; border: 0; cursor: pointer;
  padding: 13px 18px; border-radius: 12px; box-shadow: inset 0 -4px 0 rgba(0, 0, 0, .25);
}
.btn:active { transform: translateY(2px); box-shadow: inset 0 -2px 0 rgba(0, 0, 0, .25); }
.btn.primary { background: var(--brass); color: #3A2414; }
.btn.ghost { background: transparent; box-shadow: none; color: var(--chalk-dim); text-decoration: underline; text-underline-offset: 3px; }
.btn.danger { background: #7A2E26; }
.btn.round { width: 48px; height: 48px; padding: 0; font-size: 1.4rem; border-radius: 50%; }
.btn:disabled { opacity: .45; cursor: not-allowed; }
button:focus-visible { outline: 3px solid var(--brass); outline-offset: 2px; }

.actions { display: grid; gap: 10px; }
.actions.inline { display: flex; justify-content: center; }
.online { margin-top: 30px; padding-top: 22px; border-top: 2px dashed #3B4B66; display: grid; gap: 10px; }
.online h2 { margin: 0 0 4px; font-size: 1.2rem; }
.join { display: flex; gap: 8px; }
.join input { text-transform: uppercase; letter-spacing: .25em; font-weight: 600; }
.note { color: var(--chalk-dim); font-size: .9rem; margin: 4px 0 0; text-align: center; }

/* Lobby */
.lobby-intro { text-align: center; color: var(--chalk-dim); margin: 20px 0 10px; }
.code-box { text-align: center; margin-bottom: 14px; }
.code-box span {
  display: inline-block; font-size: 2.8rem; font-weight: 800; letter-spacing: .18em; padding: 8px 18px 8px 26px;
  background: var(--maple); color: #3A2414; border-radius: 14px; border: 6px solid var(--walnut);
}
.seats { list-style: none; padding: 0; margin: 22px 0; display: grid; gap: 8px; }
.seats li { display: flex; align-items: center; gap: 12px; background: #1B2639; padding: 12px 14px; border-radius: 12px; }
.seats li.empty { color: var(--chalk-dim); font-style: italic; }
.pawn-dot { width: 18px; height: 18px; border-radius: 50%; flex: none; box-shadow: inset 0 -3px 0 rgba(0,0,0,.3); }
.seats .tag { margin-left: auto; font-size: .8rem; color: var(--chalk-dim); }
.check { display: flex; gap: 10px; align-items: center; margin-bottom: 16px; color: var(--chalk-dim); }
.check input { width: 20px; height: 20px; accent-color: var(--brass); }

/* Game */
.screen.game { max-width: 640px; padding-top: 12px; display: flex; flex-direction: column; min-height: 100%; }
.players { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin-bottom: 10px; }
.chip {
  display: flex; align-items: center; gap: 8px; padding: 6px 12px 6px 8px; border-radius: 999px;
  background: #1B2639; border: 2px solid transparent; font-size: .9rem; transition: border-color .2s;
}
.chip.turn { border-color: var(--chalk); background: #2C3B57; }
.chip .walls { color: var(--chalk-dim); font-variant-numeric: tabular-nums; }
.chip .off { color: var(--danger); font-size: .75rem; }
.board-wrap { position: relative; width: 100%; aspect-ratio: 1; max-height: 70vh; margin: 0 auto; touch-action: none; }
.board-wrap canvas { width: 100%; height: 100%; display: block; }
.status { text-align: center; font-weight: 600; font-size: 1.1rem; margin: 12px 0 8px; min-height: 1.5em; }
.controls { display: flex; gap: 10px; justify-content: center; align-items: center; flex-wrap: wrap; }
.hint { text-align: center; color: var(--chalk-dim); font-size: .85rem; margin: 10px 0 0; }

.overlay { position: fixed; inset: 0; background: rgba(15, 20, 32, .72); display: grid; place-items: center; padding: 20px; z-index: 20; }
.overlay[hidden] { display: none; }
.sheet { background: var(--table-2); border-radius: 20px; padding: 28px 24px; width: min(360px, 100%); text-align: center; border-top: 8px solid var(--walnut); }
.sheet h2 { font-size: 2rem; margin: 10px 0 20px; letter-spacing: -0.02em; }
.win-dot { width: 56px; height: 56px; border-radius: 50%; margin: 0 auto; box-shadow: inset 0 -6px 0 rgba(0,0,0,.3); }

.toast {
  position: fixed; left: 50%; bottom: calc(24px + env(safe-area-inset-bottom, 0px)); transform: translateX(-50%);
  background: var(--chalk); color: #222; padding: 10px 16px; border-radius: 10px; font-weight: 600; z-index: 30; max-width: 90vw;
}
.toast[hidden] { display: none; }

/* Admin */
.admin { max-width: 760px; }
.admin h1 { font-size: 2rem; margin: 8px 0 4px; }
.admin h2 { font-size: 1.2rem; margin: 30px 0 12px; }
.panel { background: #1B2639; border-radius: 14px; padding: 18px; display: grid; gap: 16px; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
.panel label > span { display: block; font-size: .85rem; color: var(--chalk-dim); margin-bottom: 6px; }
.panel small { display: block; color: var(--chalk-dim); margin-top: 4px; font-size: .8rem; }
.panel input, .panel select, .panel textarea { background: #24324A; }
.stats { display: flex; gap: 12px; flex-wrap: wrap; }
.stat { background: #1B2639; border-radius: 12px; padding: 12px 16px; min-width: 120px; }
.stat b { display: block; font-size: 1.6rem; }
.stat span { color: var(--chalk-dim); font-size: .85rem; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid #34476A; }
th { color: var(--chalk-dim); font-weight: 600; }
.err { color: var(--danger); margin: 0; }
.ok { color: var(--green); margin: 0; }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }